From patchwork Fri Jul 22 09:06:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 593015 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73315CCA489 for ; Fri, 22 Jul 2022 09:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234865AbiGVJGk (ORCPT ); Fri, 22 Jul 2022 05:06:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234864AbiGVJGc (ORCPT ); Fri, 22 Jul 2022 05:06:32 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5957E83F19; Fri, 22 Jul 2022 02:06:28 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 692366601AC6; Fri, 22 Jul 2022 10:06:25 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658480786; bh=MIflvtfmbR+QMLcjso7qlEboYDeiyay3JEVD9u6HifU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bxPCFoneY1aApeontWYkpxGOSZtGhU1Q2oUDNgzSuvkR6PlB18zeilAE4+UJx6I6E wvgoV4vxiFW1uBmD8wYFOnk7KvIDQfoF3ja5R2pr0iKPpxde2tSqG7WvxL3xP54rnH bgrAUKKlMU/3aA6hTcN5bWKzqLcHG3O3qwiUeMWMiqkdDIMqa3gY1qNhEq5XhEhQmH Zzkt6UxEGvoJlDfXPSqhUhLoeNse6Aq698vgedujmkMGR2MXBdfpaki67AGnRshb1L AZ1Zmw2LwphvuvrpfXhznrkOynvHJTWB0de50s7sQmA3rlu2ysNETSwJ4NWld/kdlW SsjfJa4bXzl6g== From: AngeloGioacchino Del Regno To: sboyd@kernel.org Cc: mturquette@baylibre.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de, y.oudjana@protonmail.com, angelogioacchino.delregno@collabora.com, jason-jh.lin@mediatek.com, ck.hu@mediatek.com, fparent@baylibre.com, rex-bc.chen@mediatek.com, tinghan.shen@mediatek.com, ikjn@chromium.org, miles.chen@mediatek.com, sam.shih@mediatek.com, wenst@chromium.org, bgolaszewski@baylibre.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-clk@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, paul.bouchara@somainline.org, kernel@collabora.com Subject: [PATCH v6 8/8] clk: mediatek: Add MediaTek Helio X10 MT6795 clock drivers Date: Fri, 22 Jul 2022 11:06:09 +0200 Message-Id: <20220722090609.52364-9-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220722090609.52364-1-angelogioacchino.delregno@collabora.com> References: <20220722090609.52364-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the clock drivers for the entire clock tree of MediaTek Helio X10 MT6795, including system clocks (apmixedsys, infracfg, pericfg, topckgen) and multimedia clocks (mmsys, mfg, vdecsys, vencsys). Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger Reviewed-by: Miles Chen --- drivers/clk/mediatek/Kconfig | 37 ++ drivers/clk/mediatek/Makefile | 6 + drivers/clk/mediatek/clk-mt6795-apmixedsys.c | 157 +++++ drivers/clk/mediatek/clk-mt6795-infracfg.c | 151 +++++ drivers/clk/mediatek/clk-mt6795-mfg.c | 50 ++ drivers/clk/mediatek/clk-mt6795-mm.c | 132 ++++ drivers/clk/mediatek/clk-mt6795-pericfg.c | 160 +++++ drivers/clk/mediatek/clk-mt6795-topckgen.c | 610 +++++++++++++++++++ drivers/clk/mediatek/clk-mt6795-vdecsys.c | 55 ++ drivers/clk/mediatek/clk-mt6795-vencsys.c | 50 ++ 10 files changed, 1408 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt6795-apmixedsys.c create mode 100644 drivers/clk/mediatek/clk-mt6795-infracfg.c create mode 100644 drivers/clk/mediatek/clk-mt6795-mfg.c create mode 100644 drivers/clk/mediatek/clk-mt6795-mm.c create mode 100644 drivers/clk/mediatek/clk-mt6795-pericfg.c create mode 100644 drivers/clk/mediatek/clk-mt6795-topckgen.c create mode 100644 drivers/clk/mediatek/clk-mt6795-vdecsys.c create mode 100644 drivers/clk/mediatek/clk-mt6795-vencsys.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 1c58f074e224..5642ec7eaeae 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -259,6 +259,43 @@ config COMMON_CLK_MT6779_AUDSYS help This driver supports Mediatek MT6779 audsys clocks. +config COMMON_CLK_MT6795 + tristate "Clock driver for MediaTek MT6795" + depends on ARCH_MEDIATEK || COMPILE_TEST + select COMMON_CLK_MEDIATEK + default ARCH_MEDIATEK + help + This driver supports MediaTek MT6795 basic clocks and clocks + required for various peripherals found on MediaTek. + +config COMMON_CLK_MT6795_MFGCFG + tristate "Clock driver for MediaTek MT6795 mfgcfg" + depends on COMMON_CLK_MT6795 + default COMMON_CLK_MT6795 + help + This driver supports MediaTek MT6795 mfgcfg clocks. + +config COMMON_CLK_MT6795_MMSYS + tristate "Clock driver for MediaTek MT6795 mmsys" + depends on COMMON_CLK_MT6795 + default COMMON_CLK_MT6795 + help + This driver supports MediaTek MT6795 mmsys clocks. + +config COMMON_CLK_MT6795_VDECSYS + tristate "Clock driver for MediaTek MT6795 VDECSYS" + depends on COMMON_CLK_MT6795 + default COMMON_CLK_MT6795 + help + This driver supports MediaTek MT6795 vdecsys clocks. + +config COMMON_CLK_MT6795_VENCSYS + tristate "Clock driver for MediaTek MT6795 VENCSYS" + depends on COMMON_CLK_MT6795 + default COMMON_CLK_MT6795 + help + This driver supports MediaTek MT6795 vencsys clocks. + config COMMON_CLK_MT6797 bool "Clock driver for MediaTek MT6797" depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 39b224ff1a4e..67891b96c363 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -17,6 +17,12 @@ obj-$(CONFIG_COMMON_CLK_MT6779_VDECSYS) += clk-mt6779-vdec.o obj-$(CONFIG_COMMON_CLK_MT6779_VENCSYS) += clk-mt6779-venc.o obj-$(CONFIG_COMMON_CLK_MT6779_MFGCFG) += clk-mt6779-mfg.o obj-$(CONFIG_COMMON_CLK_MT6779_AUDSYS) += clk-mt6779-aud.o +obj-$(CONFIG_COMMON_CLK_MT6795) += clk-mt6795-apmixedsys.o clk-mt6795-infracfg.o \ + clk-mt6795-pericfg.o clk-mt6795-topckgen.o +obj-$(CONFIG_COMMON_CLK_MT6795_MFGCFG) += clk-mt6795-mfg.o +obj-$(CONFIG_COMMON_CLK_MT6795_MMSYS) += clk-mt6795-mm.o +obj-$(CONFIG_COMMON_CLK_MT6795_VDECSYS) += clk-mt6795-vdecsys.o +obj-$(CONFIG_COMMON_CLK_MT6795_VENCSYS) += clk-mt6795-vencsys.o obj-$(CONFIG_COMMON_CLK_MT6797) += clk-mt6797.o obj-$(CONFIG_COMMON_CLK_MT6797_IMGSYS) += clk-mt6797-img.o obj-$(CONFIG_COMMON_CLK_MT6797_MMSYS) += clk-mt6797-mm.o diff --git a/drivers/clk/mediatek/clk-mt6795-apmixedsys.c b/drivers/clk/mediatek/clk-mt6795-apmixedsys.c new file mode 100644 index 000000000000..1aaa154290fc --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-apmixedsys.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-mtk.h" +#include "clk-pll.h" + +#define REG_REF2USB 0x8 +#define REG_AP_PLL_CON7 0x1c + #define MD1_MTCMOS_OFF BIT(0) + #define MD1_MEM_OFF BIT(1) + #define MD1_CLK_OFF BIT(4) + #define MD1_ISO_OFF BIT(8) + +#define MT6795_PLL_FMAX (3000UL * MHZ) +#define MT6795_CON0_EN BIT(0) +#define MT6795_CON0_RST_BAR BIT(24) + +#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \ + _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) { \ + .id = _id, \ + .name = _name, \ + .reg = _reg, \ + .pwr_reg = _pwr_reg, \ + .en_mask = MT6795_CON0_EN | _en_mask, \ + .flags = _flags, \ + .rst_bar_mask = MT6795_CON0_RST_BAR, \ + .fmax = MT6795_PLL_FMAX, \ + .pcwbits = _pcwbits, \ + .pd_reg = _pd_reg, \ + .pd_shift = _pd_shift, \ + .tuner_reg = _tuner_reg, \ + .pcw_reg = _pcw_reg, \ + .pcw_shift = _pcw_shift, \ + .div_table = NULL, \ + .pll_en_bit = 0, \ + } + +static const struct mtk_pll_data plls[] = { + PLL(CLK_APMIXED_ARMCA53PLL, "armca53pll", 0x200, 0x20c, 0, PLL_AO, + 21, 0x204, 24, 0x0, 0x204, 0), + PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x220, 0x22c, 0xf0000101, HAVE_RST_BAR, + 21, 0x220, 4, 0x0, 0x224, 0), + PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x230, 0x23c, 0xfe000101, HAVE_RST_BAR, + 7, 0x230, 4, 0x0, 0x234, 14), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x240, 0x24c, 0, 0, 21, 0x244, 24, 0x0, 0x244, 0), + PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x250, 0x25c, 0, 0, 21, 0x250, 4, 0x0, 0x254, 0), + PLL(CLK_APMIXED_VENCPLL, "vencpll", 0x260, 0x26c, 0, 0, 21, 0x260, 4, 0x0, 0x264, 0), + PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x270, 0x27c, 0, 0, 21, 0x270, 4, 0x0, 0x274, 0), + PLL(CLK_APMIXED_MPLL, "mpll", 0x280, 0x28c, 0, 0, 21, 0x280, 4, 0x0, 0x284, 0), + PLL(CLK_APMIXED_VCODECPLL, "vcodecpll", 0x290, 0x29c, 0, 0, 21, 0x290, 4, 0x0, 0x294, 0), + PLL(CLK_APMIXED_APLL1, "apll1", 0x2a0, 0x2b0, 0, 0, 31, 0x2a0, 4, 0x2a8, 0x2a4, 0), + PLL(CLK_APMIXED_APLL2, "apll2", 0x2b4, 0x2c4, 0, 0, 31, 0x2b4, 4, 0x2bc, 0x2b8, 0), +}; + +static void clk_mt6795_apmixed_setup_md1(void __iomem *base) +{ + void __iomem *reg = base + REG_AP_PLL_CON7; + + /* Turn on MD1 internal clock */ + writel(readl(reg) & ~MD1_CLK_OFF, reg); + + /* Unlock MD1's MTCMOS power path */ + writel(readl(reg) & ~MD1_MTCMOS_OFF, reg); + + /* Turn on ISO */ + writel(readl(reg) & ~MD1_ISO_OFF, reg); + + /* Turn on memory */ + writel(readl(reg) & ~MD1_MEM_OFF, reg); +} + +static const struct of_device_id of_match_clk_mt6795_apmixed[] = { + { .compatible = "mediatek,mt6795-apmixedsys" }, + { /* sentinel */ } +}; + +static int clk_mt6795_apmixed_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + void __iomem *base; + struct clk_hw *hw; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); + if (ret) + goto free_clk_data; + + hw = mtk_clk_register_ref2usb_tx("ref2usb_tx", "clk26m", base + REG_REF2USB); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + dev_err(dev, "Failed to register ref2usb_tx: %d\n", ret); + goto unregister_plls; + } + clk_data->hws[CLK_APMIXED_REF2USB_TX] = hw; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) { + dev_err(dev, "Cannot register clock provider: %d\n", ret); + goto unregister_ref2usb; + } + + /* Setup MD1 to avoid random crashes */ + dev_dbg(dev, "Performing initial setup for MD1\n"); + clk_mt6795_apmixed_setup_md1(base); + + return 0; + +unregister_ref2usb: + mtk_clk_unregister_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]); +unregister_plls: + mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt6795_apmixed_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]); + mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt6795_apmixed_drv = { + .probe = clk_mt6795_apmixed_probe, + .remove = clk_mt6795_apmixed_remove, + .driver = { + .name = "clk-mt6795-apmixed", + .of_match_table = of_match_clk_mt6795_apmixed, + }, +}; +module_platform_driver(clk_mt6795_apmixed_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 apmixed clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-infracfg.c b/drivers/clk/mediatek/clk-mt6795-infracfg.c new file mode 100644 index 000000000000..ca6c4a0bcdd9 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-infracfg.c @@ -0,0 +1,151 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include +#include "clk-cpumux.h" +#include "clk-gate.h" +#include "clk-mtk.h" +#include "reset.h" + +#define GATE_ICG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &infra_cg_regs, \ + _shift, &mtk_clk_gate_ops_no_setclr) + +static const struct mtk_gate_regs infra_cg_regs = { + .set_ofs = 0x0040, + .clr_ofs = 0x0044, + .sta_ofs = 0x0048, +}; + +static const char * const ca53_c0_parents[] = { + "clk26m", + "armca53pll", + "mainpll", + "univpll" +}; + +static const char * const ca53_c1_parents[] = { + "clk26m", + "armca53pll", + "mainpll", + "univpll" +}; + +static const struct mtk_composite cpu_muxes[] = { + MUX(CLK_INFRA_CA53_C0_SEL, "infra_ca53_c0_sel", ca53_c0_parents, 0x00, 0, 2), + MUX(CLK_INFRA_CA53_C1_SEL, "infra_ca53_c1_sel", ca53_c1_parents, 0x00, 2, 2), +}; + +static const struct mtk_gate infra_gates[] = { + GATE_ICG(CLK_INFRA_DBGCLK, "infra_dbgclk", "axi_sel", 0), + GATE_ICG(CLK_INFRA_SMI, "infra_smi", "mm_sel", 1), + GATE_ICG(CLK_INFRA_AUDIO, "infra_audio", "aud_intbus_sel", 5), + GATE_ICG(CLK_INFRA_GCE, "infra_gce", "axi_sel", 6), + GATE_ICG(CLK_INFRA_L2C_SRAM, "infra_l2c_sram", "axi_sel", 7), + GATE_ICG(CLK_INFRA_M4U, "infra_m4u", "mem_sel", 8), + GATE_ICG(CLK_INFRA_MD1MCU, "infra_md1mcu", "clk26m", 9), + GATE_ICG(CLK_INFRA_MD1BUS, "infra_md1bus", "axi_sel", 10), + GATE_ICG(CLK_INFRA_MD1DBB, "infra_dbb", "axi_sel", 11), + GATE_ICG(CLK_INFRA_DEVICE_APC, "infra_devapc", "clk26m", 12), + GATE_ICG(CLK_INFRA_TRNG, "infra_trng", "axi_sel", 13), + GATE_ICG(CLK_INFRA_MD1LTE, "infra_md1lte", "axi_sel", 14), + GATE_ICG(CLK_INFRA_CPUM, "infra_cpum", "cpum_ck", 15), + GATE_ICG(CLK_INFRA_KP, "infra_kp", "axi_sel", 16), +}; + +static u16 infra_ao_rst_ofs[] = { 0x30, 0x34 }; + +static u16 infra_ao_idx_map[] = { + [MT6795_INFRA_RST0_SCPSYS_RST] = 0 * RST_NR_PER_BANK + 5, + [MT6795_INFRA_RST0_PMIC_WRAP_RST] = 0 * RST_NR_PER_BANK + 7, + [MT6795_INFRA_RST1_MIPI_DSI_RST] = 1 * RST_NR_PER_BANK + 4, + [MT6795_INFRA_RST1_MIPI_CSI_RST] = 1 * RST_NR_PER_BANK + 7, + [MT6795_INFRA_RST1_MM_IOMMU_RST] = 1 * RST_NR_PER_BANK + 15, +}; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), + .rst_idx_map = infra_ao_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map), +}; + +static const struct of_device_id of_match_clk_mt6795_infracfg[] = { + { .compatible = "mediatek,mt6795-infracfg" }, + { /* sentinel */ } +}; + +static int clk_mt6795_infracfg_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + void __iomem *base; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_gates(node, infra_gates, ARRAY_SIZE(infra_gates), clk_data); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_cpumuxes(node, cpu_muxes, ARRAY_SIZE(cpu_muxes), clk_data); + if (ret) + goto unregister_gates; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_cpumuxes; + + return 0; + +unregister_cpumuxes: + mtk_clk_unregister_cpumuxes(cpu_muxes, ARRAY_SIZE(cpu_muxes), clk_data); +unregister_gates: + mtk_clk_unregister_gates(infra_gates, ARRAY_SIZE(infra_gates), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt6795_infracfg_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_cpumuxes(cpu_muxes, ARRAY_SIZE(cpu_muxes), clk_data); + mtk_clk_unregister_gates(infra_gates, ARRAY_SIZE(infra_gates), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt6795_infracfg_drv = { + .driver = { + .name = "clk-mt6795-infracfg", + .of_match_table = of_match_clk_mt6795_infracfg, + }, + .probe = clk_mt6795_infracfg_probe, + .remove = clk_mt6795_infracfg_remove, +}; +module_platform_driver(clk_mt6795_infracfg_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 infracfg clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-mfg.c b/drivers/clk/mediatek/clk-mt6795-mfg.c new file mode 100644 index 000000000000..f3e3fab028a1 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-mfg.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs mfg_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_MFG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mfg_clks[] = { + GATE_MFG(CLK_MFG_BAXI, "mfg_baxi", "axi_mfg_in_sel", 0), + GATE_MFG(CLK_MFG_BMEM, "mfg_bmem", "mem_mfg_in_sel", 1), + GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 2), + GATE_MFG(CLK_MFG_B26M, "mfg_b26m", "clk26m", 3), +}; + +static const struct mtk_clk_desc mfg_desc = { + .clks = mfg_clks, + .num_clks = ARRAY_SIZE(mfg_clks), +}; + +static const struct of_device_id of_match_clk_mt6795_mfg[] = { + { .compatible = "mediatek,mt6795-mfgcfg", .data = &mfg_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt6795_mfg_drv = { + .driver = { + .name = "clk-mt6795-mfg", + .of_match_table = of_match_clk_mt6795_mfg, + }, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, +}; +module_platform_driver(clk_mt6795_mfg_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 mfg clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-mm.c b/drivers/clk/mediatek/clk-mt6795-mm.c new file mode 100644 index 000000000000..c2445dcf4797 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-mm.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" + +#define GATE_MM0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_MM1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate_regs mm0_cg_regs = { + .set_ofs = 0x0104, + .clr_ofs = 0x0108, + .sta_ofs = 0x0100, +}; + +static const struct mtk_gate_regs mm1_cg_regs = { + .set_ofs = 0x0114, + .clr_ofs = 0x0118, + .sta_ofs = 0x0110, +}; + +static const struct mtk_gate mm_gates[] = { + /* MM0 */ + GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0), + GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1), + GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2), + GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3), + GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4), + GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5), + GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6), + GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7), + GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8), + GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9), + GATE_MM0(CLK_MM_MDP_CROP, "mm_mdp_crop", "mm_sel", 10), + GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11), + GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12), + GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13), + GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14), + GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "clk32k", 15), + GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16), + GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17), + GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18), + GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19), + GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20), + GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21), + GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22), + GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23), + GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24), + GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25), + GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26), + GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27), + GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28), + GATE_MM0(CLK_MM_DISP_SPLIT1, "mm_disp_split1", "mm_sel", 29), + GATE_MM0(CLK_MM_DISP_MERGE, "mm_disp_merge", "mm_sel", 30), + GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31), + + /* MM1 */ + GATE_MM1(CLK_MM_DISP_PWM0MM, "mm_disp_pwm0mm", "mm_sel", 0), + GATE_MM1(CLK_MM_DISP_PWM026M, "mm_disp_pwm026m", "pwm_sel", 1), + GATE_MM1(CLK_MM_DISP_PWM1MM, "mm_disp_pwm1mm", "mm_sel", 2), + GATE_MM1(CLK_MM_DISP_PWM126M, "mm_disp_pwm126m", "pwm_sel", 3), + GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4), + GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_dig", 5), + GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6), + GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_dig", 7), + GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "dpi0_sel", 8), + GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9), +}; + +static int clk_mt6795_mm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_hw_onecell_data *clk_data; + int ret; + + clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_clk_register_gates(node, mm_gates, ARRAY_SIZE(mm_gates), clk_data); + if (ret) + goto free_clk_data; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_gates; + + platform_set_drvdata(pdev, clk_data); + + return 0; + +unregister_gates: + mtk_clk_unregister_gates(mm_gates, ARRAY_SIZE(mm_gates), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt6795_mm_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_gates(mm_gates, ARRAY_SIZE(mm_gates), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt6795_mm_drv = { + .driver = { + .name = "clk-mt6795-mm", + }, + .probe = clk_mt6795_mm_probe, + .remove = clk_mt6795_mm_remove, +}; +module_platform_driver(clk_mt6795_mm_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 MultiMedia clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-pericfg.c b/drivers/clk/mediatek/clk-mt6795-pericfg.c new file mode 100644 index 000000000000..b04cebcd905c --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-pericfg.c @@ -0,0 +1,160 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" +#include "reset.h" + +#define GATE_PERI(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &peri_cg_regs, \ + _shift, &mtk_clk_gate_ops_setclr) + +static DEFINE_SPINLOCK(mt6795_peri_clk_lock); + +static const struct mtk_gate_regs peri_cg_regs = { + .set_ofs = 0x0008, + .clr_ofs = 0x0010, + .sta_ofs = 0x0018, +}; + +static const char * const uart_ck_sel_parents[] = { + "clk26m", + "uart_sel", +}; + +static const struct mtk_composite peri_clks[] = { + MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, 0x40c, 0, 1), + MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, 0x40c, 1, 1), + MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, 0x40c, 2, 1), + MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), +}; + +static const struct mtk_gate peri_gates[] = { + GATE_PERI(CLK_PERI_NFI, "peri_nfi", "axi_sel", 0), + GATE_PERI(CLK_PERI_THERM, "peri_therm", "axi_sel", 1), + GATE_PERI(CLK_PERI_PWM1, "peri_pwm1", "axi_sel", 2), + GATE_PERI(CLK_PERI_PWM2, "peri_pwm2", "axi_sel", 3), + GATE_PERI(CLK_PERI_PWM3, "peri_pwm3", "axi_sel", 4), + GATE_PERI(CLK_PERI_PWM4, "peri_pwm4", "axi_sel", 5), + GATE_PERI(CLK_PERI_PWM5, "peri_pwm5", "axi_sel", 6), + GATE_PERI(CLK_PERI_PWM6, "peri_pwm6", "axi_sel", 7), + GATE_PERI(CLK_PERI_PWM7, "peri_pwm7", "axi_sel", 8), + GATE_PERI(CLK_PERI_PWM, "peri_pwm", "axi_sel", 9), + GATE_PERI(CLK_PERI_USB0, "peri_usb0", "usb30_sel", 10), + GATE_PERI(CLK_PERI_USB1, "peri_usb1", "usb20_sel", 11), + GATE_PERI(CLK_PERI_AP_DMA, "peri_ap_dma", "axi_sel", 12), + GATE_PERI(CLK_PERI_MSDC30_0, "peri_msdc30_0", "msdc50_0_sel", 13), + GATE_PERI(CLK_PERI_MSDC30_1, "peri_msdc30_1", "msdc30_1_sel", 14), + GATE_PERI(CLK_PERI_MSDC30_2, "peri_msdc30_2", "msdc30_2_sel", 15), + GATE_PERI(CLK_PERI_MSDC30_3, "peri_msdc30_3", "msdc30_3_sel", 16), + GATE_PERI(CLK_PERI_NLI_ARB, "peri_nli_arb", "axi_sel", 17), + GATE_PERI(CLK_PERI_IRDA, "peri_irda", "irda_sel", 18), + GATE_PERI(CLK_PERI_UART0, "peri_uart0", "axi_sel", 19), + GATE_PERI(CLK_PERI_UART1, "peri_uart1", "axi_sel", 20), + GATE_PERI(CLK_PERI_UART2, "peri_uart2", "axi_sel", 21), + GATE_PERI(CLK_PERI_UART3, "peri_uart3", "axi_sel", 22), + GATE_PERI(CLK_PERI_I2C0, "peri_i2c0", "axi_sel", 23), + GATE_PERI(CLK_PERI_I2C1, "peri_i2c1", "axi_sel", 24), + GATE_PERI(CLK_PERI_I2C2, "peri_i2c2", "axi_sel", 25), + GATE_PERI(CLK_PERI_I2C3, "peri_i2c3", "axi_sel", 26), + GATE_PERI(CLK_PERI_I2C4, "peri_i2c4", "axi_sel", 27), + GATE_PERI(CLK_PERI_AUXADC, "peri_auxadc", "clk26m", 28), + GATE_PERI(CLK_PERI_SPI0, "peri_spi0", "spi_sel", 29), +}; + +static u16 peri_rst_ofs[] = { 0x0 }; + +static u16 peri_idx_map[] = { + [MT6795_PERI_NFI_SW_RST] = 14, + [MT6795_PERI_THERM_SW_RST] = 16, + [MT6795_PERI_MSDC1_SW_RST] = 20, +}; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = peri_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(peri_rst_ofs), + .rst_idx_map = peri_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(peri_idx_map), +}; + +static const struct of_device_id of_match_clk_mt6795_pericfg[] = { + { .compatible = "mediatek,mt6795-pericfg" }, + { /* sentinel */ } +}; + +static int clk_mt6795_pericfg_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + void __iomem *base; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_gates(node, peri_gates, ARRAY_SIZE(peri_gates), clk_data); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_composites(peri_clks, ARRAY_SIZE(peri_clks), base, + &mt6795_peri_clk_lock, clk_data); + if (ret) + goto unregister_gates; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_composites; + + return 0; + +unregister_composites: + mtk_clk_unregister_composites(peri_clks, ARRAY_SIZE(peri_clks), clk_data); +unregister_gates: + mtk_clk_unregister_gates(peri_gates, ARRAY_SIZE(peri_gates), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt6795_pericfg_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_composites(peri_clks, ARRAY_SIZE(peri_clks), clk_data); + mtk_clk_unregister_gates(peri_gates, ARRAY_SIZE(peri_gates), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt6795_pericfg_drv = { + .driver = { + .name = "clk-mt6795-pericfg", + .of_match_table = of_match_clk_mt6795_pericfg, + }, + .probe = clk_mt6795_pericfg_probe, + .remove = clk_mt6795_pericfg_remove, +}; +module_platform_driver(clk_mt6795_pericfg_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 pericfg clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-topckgen.c b/drivers/clk/mediatek/clk-mt6795-topckgen.c new file mode 100644 index 000000000000..5512864c644d --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-topckgen.c @@ -0,0 +1,610 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" +#include "clk-mux.h" + +/* + * For some clocks, we don't care what their actual rates are. And these + * clocks may change their rate on different products or different scenarios. + * So we model these clocks' rate as 0, to denote it's not an actual rate. + */ +#define DUMMY_RATE 0 + +#define TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width, _gate, _flags) \ + MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _reg, \ + (_reg + 0x4), (_reg + 0x8), _shift, _width, \ + _gate, 0, -1, _flags) + +#define TOP_MUX_GATE(_id, _name, _parents, _reg, _shift, _width, _gate, _flags) \ + TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width, \ + _gate, CLK_SET_RATE_PARENT | _flags) + +static DEFINE_SPINLOCK(mt6795_top_clk_lock); + +static const char * const aud_1_parents[] = { + "clk26m", + "apll1_ck", + "univpll2_d4", + "univpll2_d8" +}; + +static const char * const aud_2_parents[] = { + "clk26m", + "apll2_ck", + "univpll2_d4", + "univpll2_d8" +}; + +static const char * const aud_intbus_parents[] = { + "clk26m", + "syspll1_d4", + "syspll4_d2", + "univpll3_d2", + "univpll2_d8", + "dmpll_d4", + "dmpll_d8" +}; + +static const char * const audio_parents[] = { + "clk26m", + "syspll3_d4", + "syspll4_d4", + "syspll1_d16" +}; + +static const char * const axi_mfg_in_parents[] = { + "clk26m", + "axi_sel", + "dmpll_d2" +}; + +static const char * const axi_parents[] = { + "clk26m", + "syspll1_d2", + "syspll_d5", + "syspll1_d4", + "univpll_d5", + "univpll2_d2", + "dmpll_d2", + "dmpll_d4" +}; + +static const char * const camtg_parents[] = { + "clk26m", + "univpll_d26", + "univpll2_d2", + "syspll3_d2", + "syspll3_d4", + "univpll1_d4", + "dmpll_d8" +}; + +static const char * const cci400_parents[] = { + "clk26m", + "vencpll_ck", + "clk26m", + "clk26m", + "univpll_d2", + "syspll_d2", + "msdcpll_ck", + "dmpll_ck" +}; + +static const char * const ddrphycfg_parents[] = { + "clk26m", + "syspll1_d8" +}; + +static const char * const dpi0_parents[] = { + "clk26m", + "tvdpll_d2", + "tvdpll_d4", + "clk26m", + "clk26m", + "tvdpll_d8", + "tvdpll_d16" +}; + +static const char * const i2s0_m_ck_parents[] = { + "apll1_div1", + "apll2_div1" +}; + +static const char * const i2s1_m_ck_parents[] = { + "apll1_div2", + "apll2_div2" +}; + +static const char * const i2s2_m_ck_parents[] = { + "apll1_div3", + "apll2_div3" +}; + +static const char * const i2s3_m_ck_parents[] = { + "apll1_div4", + "apll2_div4" +}; + +static const char * const i2s3_b_ck_parents[] = { + "apll1_div5", + "apll2_div5" +}; + +static const char * const irda_parents[] = { + "clk26m", + "univpll2_d4", + "syspll2_d4", + "dmpll_d8", +}; + +static const char * const mem_mfg_in_parents[] = { + "clk26m", + "mmpll_ck", + "dmpll_ck" +}; + +static const char * const mem_parents[] = { + "clk26m", + "dmpll_ck" +}; + +static const char * const mfg_parents[] = { + "clk26m", + "mmpll_ck", + "dmpll_ck", + "clk26m", + "clk26m", + "clk26m", + "clk26m", + "clk26m", + "clk26m", + "syspll_d3", + "syspll1_d2", + "syspll_d5", + "univpll_d3", + "univpll1_d2", + "univpll_d5", + "univpll2_d2" +}; + +static const char * const mm_parents[] = { + "clk26m", + "vencpll_d2", + "syspll_d3", + "syspll1_d2", + "syspll_d5", + "syspll1_d4", + "univpll1_d2", + "univpll2_d2", + "dmpll_d2" +}; + +static const char * const mjc_parents[] = { + "clk26m", + "univpll_d3", + "vcodecpll_ck", + "tvdpll_445p5m", + "vencpll_d2", + "syspll_d3", + "univpll1_d2", + "syspll_d5", + "syspll1_d2", + "univpll_d5", + "univpll2_d2", + "dmpll_ck" +}; + +static const char * const msdc50_0_h_parents[] = { + "clk26m", + "syspll1_d2", + "syspll2_d2", + "syspll4_d2", + "univpll_d5", + "univpll1_d4" +}; + +static const char * const msdc50_0_parents[] = { + "clk26m", + "msdcpll_ck", + "msdcpll_d2", + "univpll1_d4", + "syspll2_d2", + "syspll_d7", + "msdcpll_d4", + "vencpll_d4", + "tvdpll_ck", + "univpll_d2", + "univpll1_d2", + "mmpll_ck" +}; + +static const char * const msdc30_1_parents[] = { + "clk26m", + "univpll2_d2", + "msdcpll_d4", + "univpll1_d4", + "syspll2_d2", + "syspll_d7", + "univpll_d7", + "vencpll_d4" +}; + +static const char * const msdc30_2_parents[] = { + "clk26m", + "univpll2_d2", + "msdcpll_d4", + "univpll1_d4", + "syspll2_d2", + "syspll_d7", + "univpll_d7", + "vencpll_d2" +}; + +static const char * const msdc30_3_parents[] = { + "clk26m", + "univpll2_d2", + "msdcpll_d4", + "univpll1_d4", + "syspll2_d2", + "syspll_d7", + "univpll_d7", + "vencpll_d4" +}; + +static const char * const pmicspi_parents[] = { + "clk26m", + "syspll1_d8", + "syspll3_d4", + "syspll1_d16", + "univpll3_d4", + "univpll_d26", + "dmpll_d8", + "dmpll_d16" +}; + +static const char * const pwm_parents[] = { + "clk26m", + "univpll2_d4", + "univpll3_d2", + "univpll1_d4" +}; + +static const char * const scam_parents[] = { + "clk26m", + "syspll3_d2", + "univpll2_d4", + "dmpll_d4" +}; + +static const char * const scp_parents[] = { + "clk26m", + "syspll1_d2", + "univpll_d5", + "syspll_d5", + "dmpll_d2", + "dmpll_d4" +}; + +static const char * const spi_parents[] = { + "clk26m", + "syspll3_d2", + "syspll1_d4", + "syspll4_d2", + "univpll3_d2", + "univpll2_d4", + "univpll1_d8" +}; + +static const char * const uart_parents[] = { + "clk26m", + "univpll2_d8" +}; + +static const char * const usb20_parents[] = { + "clk26m", + "univpll1_d8", + "univpll3_d4" +}; + +static const char * const usb30_parents[] = { + "clk26m", + "univpll3_d2", + "usb_syspll_125m", + "univpll2_d4" +}; + +static const char * const vdec_parents[] = { + "clk26m", + "vcodecpll_ck", + "tvdpll_445p5m", + "univpll_d3", + "vencpll_d2", + "syspll_d3", + "univpll1_d2", + "mmpll_d2", + "dmpll_d2", + "dmpll_d4" +}; + +static const char * const venc_parents[] = { + "clk26m", + "vcodecpll_ck", + "tvdpll_445p5m", + "univpll_d3", + "vencpll_d2", + "syspll_d3", + "univpll1_d2", + "univpll2_d2", + "dmpll_d2", + "dmpll_d4" +}; + +static const struct mtk_fixed_clk fixed_clks[] = { + FIXED_CLK(CLK_TOP_ADSYS_26M, "adsys_26m", "clk26m", 26 * MHZ), + FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", DUMMY_RATE), + FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ), + FIXED_CLK(CLK_TOP_DSI0_DIG, "dsi0_dig", "clk26m", DUMMY_RATE), + FIXED_CLK(CLK_TOP_DSI1_DIG, "dsi1_dig", "clk26m", DUMMY_RATE), +}; + +static const struct mtk_fixed_factor top_divs[] = { + FACTOR(CLK_TOP_ARMCA53PLL_754M, "armca53pll_754m", "clk26m", 1, 2), + FACTOR(CLK_TOP_ARMCA53PLL_502M, "armca53pll_502m", "clk26m", 1, 3), + + FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2), + FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3), + FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5), + FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7), + + FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4), + FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3), + + FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2), + FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3), + FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5), + FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7), + FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26), + + FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1), + FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793), + FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1), + + FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "clk26m", 1, 2), + FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "clk26m", 1, 3), + + FACTOR(CLK_TOP_ARMCA53PLL_D2, "armca53pll_d2", "clk26m", 1, 1), + FACTOR(CLK_TOP_ARMCA53PLL_D3, "armca53pll_d3", "clk26m", 1, 1), + + FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1), + FACTOR(CLK_TOP_APLL2, "apll2_ck", "apll2", 1, 1), + + FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "clkph_mck_o", 1, 1), + FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2), + FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4), + FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8), + FACTOR(CLK_TOP_DMPLL_D16, "dmpll_d16", "clkph_mck_o", 1, 16), + + FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1), + FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2), + + FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1), + FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2), + FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4), + FACTOR(CLK_TOP_MSDCPLL2, "msdcpll2_ck", "msdcpll2", 1, 1), + FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2), + FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4), + + FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1), + FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2), + FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4), + FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8), + FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16), + FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1), + FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2), + FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4), + FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1), + FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2), + FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4), + FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1), + FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2), + FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4), + + FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1), + FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2), + FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll_594m", 1, 4), + FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8), + FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16), + + FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1), + FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2), + FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4), + FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8), + FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1), + FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2), + FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4), + FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8), + FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1), + FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2), + FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4), + FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8), + FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1), + FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1), + FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2), + + FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3), + FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4), + + FACTOR(CLK_TOP_VENCPLL, "vencpll_ck", "vencpll", 1, 1), + FACTOR(CLK_TOP_VENCPLL_D2, "vencpll_d2", "vencpll", 1, 2), + FACTOR(CLK_TOP_VENCPLL_D4, "vencpll_d4", "vencpll", 1, 4), +}; + +static const struct mtk_mux top_muxes[] = { + /* CLK_CFG_0 */ + TOP_MUX_GATE_NOSR(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, + 0x40, 0, 3, 7, CLK_IS_CRITICAL), + TOP_MUX_GATE_NOSR(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, + 0x40, 8, 1, 15, CLK_IS_CRITICAL), + TOP_MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, + 0x40, 16, 1, 23, CLK_IS_CRITICAL), + TOP_MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x40, 24, 3, 31, 0), + /* CLK_CFG_1 */ + TOP_MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x50, 0, 2, 7, 0), + TOP_MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x50, 8, 4, 15, 0), + TOP_MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x50, 16, 4, 23, 0), + TOP_MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x50, 24, 4, 31, 0), + /* CLK_CFG_2 */ + TOP_MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x60, 0, 3, 7, 0), + TOP_MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x60, 8, 1, 15, 0), + TOP_MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x60, 16, 3, 23, 0), + TOP_MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x60, 24, 2, 31, 0), + /* CLK_CFG_3 */ + TOP_MUX_GATE(CLK_TOP_USB30_SEL, "usb30_sel", usb30_parents, 0x70, 0, 2, 7, 0), + TOP_MUX_GATE(CLK_TOP_MSDC50_0_H_SEL, "msdc50_0_h_sel", msdc50_0_h_parents, + 0x70, 8, 3, 15, 0), + TOP_MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x70, 16, 4, 23, 0), + TOP_MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents, 0x70, 24, 3, 31, 0), + /* CLK_CFG_4 */ + TOP_MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_2_parents, 0x80, 0, 3, 7, 0), + TOP_MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_parents, 0x80, 8, 3, 15, 0), + TOP_MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x80, 16, 2, 23, 0), + TOP_MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents, + 0x80, 24, 3, 31, 0), + /* CLK_CFG_5 */ + TOP_MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x90, 0, 3, 5, 0), + TOP_MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, 0x90, 8, 3, 15, 0), + TOP_MUX_GATE(CLK_TOP_MJC_SEL, "mjc_sel", mjc_parents, 0x90, 24, 4, 31, 0), + /* CLK_CFG_6 */ + /* + * The dpi0_sel clock should not propagate rate changes to its parent + * clock so the dpi driver can have full control over PLL and divider. + */ + TOP_MUX_GATE_NOSR(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0xa0, 0, 3, 7, 0), + TOP_MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0xa0, 8, 2, 15, 0), + TOP_MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents, + 0xa0, 16, 3, 23, CLK_IS_CRITICAL), + TOP_MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0xa0, 24, 2, 31, 0), + /* CLK_CFG_7 */ + TOP_MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0xb0, 0, 2, 7, 0), + TOP_MUX_GATE(CLK_TOP_MEM_MFG_IN_SEL, "mem_mfg_in_sel", mem_mfg_in_parents, + 0xb0, 8, 2, 15, 0), + TOP_MUX_GATE(CLK_TOP_AXI_MFG_IN_SEL, "axi_mfg_in_sel", axi_mfg_in_parents, + 0xb0, 16, 2, 23, 0), + TOP_MUX_GATE(CLK_TOP_SCAM_SEL, "scam_sel", scam_parents, 0xb0, 24, 2, 31, 0), +}; + +static struct mtk_composite top_aud_divs[] = { + MUX(CLK_TOP_I2S0_M_SEL, "i2s0_m_ck_sel", i2s0_m_ck_parents, 0x120, 4, 1), + MUX(CLK_TOP_I2S1_M_SEL, "i2s1_m_ck_sel", i2s1_m_ck_parents, 0x120, 5, 1), + MUX(CLK_TOP_I2S2_M_SEL, "i2s2_m_ck_sel", i2s2_m_ck_parents, 0x120, 6, 1), + MUX(CLK_TOP_I2S3_M_SEL, "i2s3_m_ck_sel", i2s3_m_ck_parents, 0x120, 7, 1), + MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1), + + DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24), + DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0), + DIV_GATE(CLK_TOP_APLL1_DIV2, "apll1_div2", "aud_1_sel", 0x12c, 10, 0x124, 8, 8), + DIV_GATE(CLK_TOP_APLL1_DIV3, "apll1_div3", "aud_1_sel", 0x12c, 11, 0x124, 8, 16), + DIV_GATE(CLK_TOP_APLL1_DIV4, "apll1_div4", "aud_1_sel", 0x12c, 12, 0x124, 8, 24), + DIV_GATE(CLK_TOP_APLL1_DIV5, "apll1_div5", "apll1_div4", 0x12c, 13, 0x12c, 4, 0), + + DIV_GATE(CLK_TOP_APLL2_DIV0, "apll2_div0", "aud_2_sel", 0x12c, 16, 0x120, 4, 28), + DIV_GATE(CLK_TOP_APLL2_DIV1, "apll2_div1", "aud_2_sel", 0x12c, 17, 0x128, 8, 0), + DIV_GATE(CLK_TOP_APLL2_DIV2, "apll2_div2", "aud_2_sel", 0x12c, 18, 0x128, 8, 8), + DIV_GATE(CLK_TOP_APLL2_DIV3, "apll2_div3", "aud_2_sel", 0x12c, 19, 0x128, 8, 16), + DIV_GATE(CLK_TOP_APLL2_DIV4, "apll2_div4", "aud_2_sel", 0x12c, 20, 0x128, 8, 24), + DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4), +}; + + +static const struct of_device_id of_match_clk_mt6795_topckgen[] = { + { .compatible = "mediatek,mt6795-topckgen" }, + { /* sentinel */ } +}; + +static int clk_mt6795_topckgen_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + void __iomem *base; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); + if (ret) + goto unregister_fixed_clks; + + ret = mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node, + &mt6795_top_clk_lock, clk_data); + if (ret) + goto unregister_factors; + + ret = mtk_clk_register_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), base, + &mt6795_top_clk_lock, clk_data); + if (ret) + goto unregister_muxes; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_composites; + + return 0; + +unregister_composites: + mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data); +unregister_muxes: + mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data); +unregister_factors: + mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); +unregister_fixed_clks: + mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt6795_topckgen_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data); + mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data); + mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); + mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt6795_topckgen_drv = { + .driver = { + .name = "clk-mt6795-topckgen", + .of_match_table = of_match_clk_mt6795_topckgen, + }, + .probe = clk_mt6795_topckgen_probe, + .remove = clk_mt6795_topckgen_remove, +}; +module_platform_driver(clk_mt6795_topckgen_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 topckgen clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-vdecsys.c b/drivers/clk/mediatek/clk-mt6795-vdecsys.c new file mode 100644 index 000000000000..16650803eda4 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-vdecsys.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" + +#define GATE_VDEC(_id, _name, _parent, _regs) \ + GATE_MTK(_id, _name, _parent, _regs, 0, \ + &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate_regs vdec0_cg_regs = { + .set_ofs = 0x0000, + .clr_ofs = 0x0004, + .sta_ofs = 0x0000, +}; + +static const struct mtk_gate_regs vdec1_cg_regs = { + .set_ofs = 0x0008, + .clr_ofs = 0x000c, + .sta_ofs = 0x0008, +}; + +static const struct mtk_gate vdec_clks[] = { + GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs), + GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs), +}; + +static const struct mtk_clk_desc vdec_desc = { + .clks = vdec_clks, + .num_clks = ARRAY_SIZE(vdec_clks), +}; + +static const struct of_device_id of_match_clk_mt6795_vdecsys[] = { + { .compatible = "mediatek,mt6795-vdecsys", .data = &vdec_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt6795_vdecsys_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt6795-vdecsys", + .of_match_table = of_match_clk_mt6795_vdecsys, + }, +}; +module_platform_driver(clk_mt6795_vdecsys_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 vdecsys clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt6795-vencsys.c b/drivers/clk/mediatek/clk-mt6795-vencsys.c new file mode 100644 index 000000000000..e711d4f008ef --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6795-vencsys.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno + */ + +#include +#include +#include +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs venc_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_VENC(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate venc_clks[] = { + GATE_VENC(CLK_VENC_LARB, "venc_larb", "venc_sel", 0), + GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4), + GATE_VENC(CLK_VENC_JPGENC, "venc_jpgenc", "venc_sel", 8), + GATE_VENC(CLK_VENC_JPGDEC, "venc_jpgdec", "venc_sel", 12), +}; + +static const struct mtk_clk_desc venc_desc = { + .clks = venc_clks, + .num_clks = ARRAY_SIZE(venc_clks), +}; + +static const struct of_device_id of_match_clk_mt6795_vencsys[] = { + { .compatible = "mediatek,mt6795-vencsys", .data = &venc_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt6795_vencsys_drv = { + .driver = { + .name = "clk-mt6795-vencsys", + .of_match_table = of_match_clk_mt6795_vencsys, + }, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, +}; +module_platform_driver(clk_mt6795_vencsys_drv); + +MODULE_DESCRIPTION("MediaTek MT6795 vdecsys clocks driver"); +MODULE_LICENSE("GPL");